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我有aspxgridview1。aspxgirdview1 创建了自定义按钮。当我点击自定义按钮时,aspxgridview2 加载相应的数据库。以下是aspxgridview1。

<dx:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1" KeyFieldName="Province_Id">
            <Columns>
                <dx:GridViewCommandColumn VisibleIndex="0">
                    <EditButton Visible="True">
                    </EditButton>
                    <CustomButtons>
                        <dx:GridViewCommandColumnCustomButton ID="show" Text="show">
                        </dx:GridViewCommandColumnCustomButton>
                    </CustomButtons>
                </dx:GridViewCommandColumn>
                <dx:GridViewDataTextColumn FieldName="Province_Id" ReadOnly="True" VisibleIndex="1">
                    <EditFormSettings Visible="False" />
                </dx:GridViewDataTextColumn>
                <dx:GridViewDataTextColumn FieldName="Name" VisibleIndex="2">
                </dx:GridViewDataTextColumn>
            </Columns>
        </dx:ASPxGridView>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:TravelConnectionString %>" SelectCommand="SELECT * FROM [Province]"></asp:SqlDataSource>

aspxgridview2 包含属性 Province_Id、名称、

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